What is the meaning of Modeling?

present participle and gerund of model

The art of sculpting models from clay etc. to create a representation of something.

The representation of depth in a two-dimensional image.

The profession of someone who models clothes.

The construction and use of a computer model of a physical system.

The learning of a new skill by copying other people.

modeling (work of someone who models clothes)

Source: wiktionary.org